Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Mortgage servicing rights	$ 58,414		$ 61,341
Mortgage Servicing Rights (MSR) Impairment (Recovery)	2,486	$ (306)
Fair Value, Measurements, Nonrecurring \| Fair Value, Inputs, Level 2
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Commercial loans held for sale	16,912
Provision for Credit Losses, Commercial Loans held-for-sale	(451)
Mortgage loans held for sale	214,298		124,915
market valuation adjustment, loans held for sale	0		(155)
Fair Value, Measurements, Nonrecurring \| Fair Value, Inputs, Level 3
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Impaired loans	47,554		41,891
Provision for Credit Losses, Impaired Loans	(53,866)		(7,796)
Mortgage servicing rights	58,937		70,686
Mortgage Servicing Rights (MSR) Impairment (Recovery)	$ (2,486)		$ 425

Fair value portion of loans held-for-sale for commercial finance receivables.

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- Definition

A market valuation adjustment is recognized in income when the cost exceeds the estimated fair value.

+ References

No definition available.

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- Definition

Provision for Credit Losses, Commercial Loans held-for-sale

+ References

No definition available.

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- Definition

Provision for Credit Losses, Impaired Loans

+ References

No definition available.

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- Definition

Net amortized carrying amount (balance) as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs and allowances related to servicing arrangements.

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No definition available.

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- References

No definition available.

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Glossary Loan
-URI http://asc.fasb.org/extlink&oid=6517073

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- Definition

The adjustment to the carrying value of the rights retained or purchased to service mortgages. These adjustments are made when the estimate of the fair value is changed. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 4
-Subparagraph (a)(6),(7)
-URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746

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- Definition

Fair value portion of mortgage loans held-for-sale.

+ References

No definition available.

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